[INFO] fetching crate permut_lib 0.1.2...
[INFO] testing permut_lib-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate permut_lib 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate permut_lib 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permut_lib 0.1.2
[INFO] finished tweaking crates.io crate permut_lib 0.1.2
[INFO] tweaked toml for crates.io crate permut_lib 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66330306e49ae2567f0e92e549140f7bb8bc46e5ff2c4eb62f82b6e82b8e33dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66330306e49ae2567f0e92e549140f7bb8bc46e5ff2c4eb62f82b6e82b8e33dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66330306e49ae2567f0e92e549140f7bb8bc46e5ff2c4eb62f82b6e82b8e33dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66330306e49ae2567f0e92e549140f7bb8bc46e5ff2c4eb62f82b6e82b8e33dd", kill_on_drop: false }`
[INFO] [stdout] 66330306e49ae2567f0e92e549140f7bb8bc46e5ff2c4eb62f82b6e82b8e33dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6961104107af90350e53fc31146d76d62bd479d5b6614b9a2213ff874a0b338
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6961104107af90350e53fc31146d76d62bd479d5b6614b9a2213ff874a0b338", kill_on_drop: false }`
[INFO] [stderr]    Compiling permut_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "a6961104107af90350e53fc31146d76d62bd479d5b6614b9a2213ff874a0b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6961104107af90350e53fc31146d76d62bd479d5b6614b9a2213ff874a0b338", kill_on_drop: false }`
[INFO] [stdout] a6961104107af90350e53fc31146d76d62bd479d5b6614b9a2213ff874a0b338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5550722f2dc001e737ffe6908afebb9d51fefc7aef2aedc2d39946ab16cf63d1
[INFO] running `Command { std: "docker" "start" "-a" "5550722f2dc001e737ffe6908afebb9d51fefc7aef2aedc2d39946ab16cf63d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling permut_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/permut_lib-ddfab0e3cfbe7d9f)
[INFO] running `Command { std: "docker" "inspect" "5550722f2dc001e737ffe6908afebb9d51fefc7aef2aedc2d39946ab16cf63d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5550722f2dc001e737ffe6908afebb9d51fefc7aef2aedc2d39946ab16cf63d1", kill_on_drop: false }`
[INFO] [stdout] 5550722f2dc001e737ffe6908afebb9d51fefc7aef2aedc2d39946ab16cf63d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6b26ba084f26d3d86731d46307bad2011de8ecfcec19ec970df33519af260a1
[INFO] running `Command { std: "docker" "start" "-a" "d6b26ba084f26d3d86731d46307bad2011de8ecfcec19ec970df33519af260a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/permut_lib-ddfab0e3cfbe7d9f)
[INFO] [stderr]    Doc-tests permut_lib
[INFO] [stdout] test tests::create_permut_t1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/permut.rs - permut::create_permut (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6b26ba084f26d3d86731d46307bad2011de8ecfcec19ec970df33519af260a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b26ba084f26d3d86731d46307bad2011de8ecfcec19ec970df33519af260a1", kill_on_drop: false }`
[INFO] [stdout] d6b26ba084f26d3d86731d46307bad2011de8ecfcec19ec970df33519af260a1